D4NL-4DFA-B

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Snap Action, Limit Switches are found in many industrial, household and commercial settings. They are primarily used to open and close electrical circuits, which can be done manually or automatically. The D4NL-4DFA-B is an example of a Snap Action, Limit Switch which is used in a variety of applications.

Application Field of D4NL-4DFA-B

The D4NL-4DFA-B snap action limits switch are used in many applications, including safety equipment and control systems. Its flexible operation modes make this switch ideal for use in machine automation, electric machines, heating and air conditioning, building automation and electrical systems. The switch features a reliable and high performance operation in both dry and high moisture environments. It is capable of withstanding extreme temperatures, shock and vibration, and can also be used in explosion-proof areas.

Working Principle of D4NL-4DFA-B

The D4NL-4DFA-B uses snap action technology which ensures that the switch can withstand the mechanical stresses associated with repetitive operation. This switch works by reacting to the force or pressure applied to it’s mechanism by either a manual or automated system. The force applied trips the switch open or closed depending on the specified parameters. The switch’s operation is also strongly influenced by the spring characteristics, which are adjustable via a screw thread. The travel of the switch during operation is relatively short, being only a few mm, and so is suitable for switching applications where the on/off times are very short.

This switch can also be used in hazardous environments, given its ability to withstand shocks and temperature \'extremes, and its operating temperature ranges from -40°C to +85°C. Furthermore, the switch is equipped with an IP67 rating which ensures its availability even in wet conditions.

Conclusion

The D4NL-4DFA-B is a Snap Action, Limit Switch which is reliable and adjustable, and so is suitable for a variety of applications. Its adjustable spring characteristic, short travel time and useful features such as shock and temperature resistance make this switch a great choice for safety equipment and control systems.

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